pokémon trading card game twilight masquerade TCG: Scarlet & Violet—Twilight Elite Trainer Box A Festival of Mischief and Mystery Pokemon Trading Card Game Twilight
Description
Thanks to its ability, which allows you to keep returning certain played instants or spells back into your hand, Miku The Renowned is able to safely keep your best cards in hand
also, AFAIK, Korea still prints their own cards and their rarity system may vary from the examples I list below
Learn more about these Prismatic promos here
Why are we talking about original set foils and not just the coolest available promo
